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A003228
Endpoints in trees with n nodes.
(Formerly M0351)
+0
5
1, 2, 2, 5, 9, 21, 43, 101, 226, 556, 1333, 3365, 8500, 22007, 57258, 151264, 401761, 1077063, 2902599, 7871250, 21440642, 58672589, 161155637, 444240627, 1228400744, 3406668865, 9472308269, 26402207803, 73755064178
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Maintained by
N. J. A. Sloane
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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.
AT&T Labs Research
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